| Reference Type | Journal (article/letter/editorial) |
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| Title | The petrology and geochemistry of the Creag Dubh composite sill, Whiting Bay, Arran, Scotland |
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| Journal | Geological Magazine |
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| Authors | Rogers, N. W. | Author |
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| Gibson, I. L. | Author |
| Year | 1977 (January) | Volume | 114 |
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| Issue | 1 |
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| Publisher | Cambridge University Press (CUP) |
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| DOI | doi:10.1017/s0016756800043363Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 251251 | Long-form Identifier | mindat:1:5:251251:2 |
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| GUID | 0 |
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| Full Reference | Rogers, N. W., Gibson, I. L. (1977) The petrology and geochemistry of the Creag Dubh composite sill, Whiting Bay, Arran, Scotland. Geological Magazine, 114 (1) 1-8 doi:10.1017/s0016756800043363 |
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| Plain Text | Rogers, N. W., Gibson, I. L. (1977) The petrology and geochemistry of the Creag Dubh composite sill, Whiting Bay, Arran, Scotland. Geological Magazine, 114 (1) 1-8 doi:10.1017/s0016756800043363 |
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| In | (1977, January) Geological Magazine Vol. 114 (1) Cambridge University Press (CUP) |
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| Abstract/Notes | SummaryAnalysis of 17 samples for both major and trace elements reveals that, unlike most other Tertiary composite intrusions, the Creag Dubh sheet possesses silicic margins and a doleritic centre. The two rock types grade together rapidly without chilling at the upper and lower internal contacts. However, there is evidence for mixing of the two magma types prior to or during emplacement with the production of limited amounts of intermediate hybrids. The central dolerite appears to be later than the marginal felsites which in places back-vein the dolerite. The sequence of intrusion is tentatively related to the upward draining of a strongly zoned magma chamber. |
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